From a73a895588520a40e52f967a7b2892baf810c708 Mon Sep 17 00:00:00 2001 From: Moni Shoua Date: Wed, 15 Jan 2020 14:43:36 +0200 Subject: IB/mlx5: Mask out unsupported ODP capabilities for kernel QPs The ODP handler for WQEs in RQ or SRQ is not implented for kernel QPs. Therefore don't report support in these if query comes from a kernel user. Signed-off-by: Moni Shoua Signed-off-by: Leon Romanovsky --- drivers/infiniband/hw/mlx5/main.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 760630c7aae7..994d59cd9daf 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -1015,6 +1015,23 @@ static int mlx5_ib_query_device(struct ib_device *ibdev, if (dev->odp_caps.general_caps & IB_ODP_SUPPORT) props->device_cap_flags |= IB_DEVICE_ON_DEMAND_PAGING; props->odp_caps = dev->odp_caps; + if (!uhw) { + /* ODP for kernel QPs is not implemented for receive + * WQEs and SRQ WQEs + */ + props->odp_caps.per_transport_caps.rc_odp_caps &= + ~(IB_ODP_SUPPORT_READ | + IB_ODP_SUPPORT_SRQ_RECV); + props->odp_caps.per_transport_caps.uc_odp_caps &= + ~(IB_ODP_SUPPORT_READ | + IB_ODP_SUPPORT_SRQ_RECV); + props->odp_caps.per_transport_caps.ud_odp_caps &= + ~(IB_ODP_SUPPORT_READ | + IB_ODP_SUPPORT_SRQ_RECV); + props->odp_caps.per_transport_caps.xrc_odp_caps &= + ~(IB_ODP_SUPPORT_READ | + IB_ODP_SUPPORT_SRQ_RECV); + } } if (MLX5_CAP_GEN(mdev, cd)) -- cgit v1.2.3